</font><blockquote><font size="1" face="Verdana, Arial">quote:</font><hr /><font size="2" face="Verdana, Arial">Originally posted by apsattv:<br /><strong> 480x576 is ok obviously an NTSC source signal, e.g PAL formats often 544x576 (sky nz use this)<br /><br />as for the bitrate is this fixed ? or VBR (variable)such as used in stat muxxing (e.g all channel in the mux alter bitrate in realtime depending on the content)<br /><br />The old saying applys garbage in garbage out if they are passing it straight through as transmitted then the low bitrate is on the source signal. </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">The bitrate changes it was around 1.8 the other day. <img border="0" title="" alt="[Confused]" src="images/icons/default/confused.gif" />